<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/login">
    用户名 <input type="text" name="username">
    <br/>
    密码 <input type="password" name="password">
    <br/>
    <input type="submit" value="提交">
    <br/>
    <a href="reg.html">请注册</a>
</form>
</body>
</html>